Power Station Runtime Calculator
How many hours will your power station run a fridge, CPAP, Starlink or TV?
Why use these calculators?
Manufacturer calculators only recommend their own products and often skip start-up surge, inverter losses and cold-weather derating. Ours apply the same formulas to every brand. You'll see the math behind every result, so you don't overpay for capacity you won't use or end up with a unit that trips when your fridge starts.
- Real-world numbers: 85% inverter efficiency, duty-cycle-aware fridge consumption, 75% solar derating.
- Start-up surge checks for pumps, fridges and AC units.
- Sun hours for every US state for solar sizing.
- Shareable results: every result has its own link.
Runtime guides by device
- How long will a power station run a refrigerator?
- How long will a power station run a chest freezer?
- How long will a power station run a CPAP machine?
- How long will a power station run a CPAP with heated humidifier?
- How long will a power station run an oxygen concentrator?
- How long will a power station run a Starlink?
- How long will a power station run a Starlink Mini?
- How long will a power station run a TV?
- How long will a power station run a laptop?
- How long will a power station run a window air conditioner?
- How long will a power station run a space heater?
- How long will a power station run an electric blanket?
- How long will a power station run a Wi-Fi router?
- How long will a power station run a mini fridge?
- How long will a power station run a microwave?
- How long will a power station run a coffee maker?
- How long will a power station run a sump pump?
- How long will a power station run a desktop computer?
- How long will a power station run a gaming PC?
- How long will a power station run a game console?
- How long will a power station run an e-bike charger?
- How long will a power station run a box fan?